Africa has a long history of migration.
Persistent economic instability, fragile ecosystems, cyclical drought patterns,
and civil wars and other types of conflict have propelled people from their
countries of birth. Currently, more than 16 million Africans are classified
as migrants, and their numbers are increasing. In particular, South Africa
has the largest number of foreign-born persons (excluding irregular migrants).
Southern Africa has the highest rates
of HIV-infection in the world. UNDP estimates of HIV prevalence indicate